During a recent stop on their Campaign promotion trail, The Campaign stars Will Ferrell and Zach…
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One last night's Conan, the actor revealed that he's been having a particularly hard time getting over the break-up of Twlight sweethearts Kristen Stewart and Rob Pattinson (whom Ferrell refers to as 'Rob Patterson').

"They were in love," a visibly distraught Ferrell sobs. "And she just threw it all away!"

Conan attempts to comfort the Anchorman star, telling him it's going to be fine. "It's not going to be fine ever!" explodes Ferrell. "It's never going to be fine!"

Lashing out again at Stewart for stepping out on Pattinson, Ferrell dubs the actress a "trampire."

Bonus Ferrell on Conan Below: The George W. Bush impersonator recalls the time he met the real-life Dubya, and things got a little awkward.